package servlet.XMLTree;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import offer.SessionObj;

import com.netscenery.yang.model.*;

public class ValidateModuleForSaveServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ValidateModuleForSaveServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the GET method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/xml; charset=utf-8");
		request.setCharacterEncoding("utf-8");
		response.setHeader("Cache-Control","no-cache"); 
		PrintWriter  out = response.getWriter();
		SessionObj sessionObj = (SessionObj)request.getSession().getAttribute("sessionObj");
		String msg = "";
		boolean isChecked = false;
		Validator validator =null;
		if(null != sessionObj.getModule()){
			Module module = sessionObj.getModule();
			validator = module.validate();
			isChecked = validator.isValid();
			if(!isChecked){
				msg="fail";
			}else{
				msg="success";
			}
		}else{
			msg="sessionOut";
		}
		StringBuilder xmlData      = new StringBuilder();
		xmlData.append("<?xml version='1.0' encoding='UTF-8'?>");
		xmlData.append("<validate>");
		xmlData.append("<result>"+isChecked+"</result>");
		xmlData.append("<resultMsg>"+msg+"</resultMsg>");
		for(int i = 0 ; i < validator.getMsgsNumber() ; i++){
			Message msgItem = validator.getMsg(i);
			if(msgItem.getSeverity().toString().equalsIgnoreCase("Warning")){
				continue;
			}
			xmlData.append("<noticeMessage>");
			xmlData.append("<Description>"+msgItem.toString()+"</Description>");
			xmlData.append("</noticeMessage>");
		}
		xmlData.append("</validate>");
		out.write(xmlData.toString());
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
